This forum is about reality, Who; get the fuck out.
This is actually a matter of philosophy, making me think that perhaps Who's only point is to play the fool in a Platonian dialogue.
"Well, they might have tried to send me away then, but my parents will want me back now, right?", a teen may ask.
Wrong! They might or might not send you away again. You cannot trust your parents at all, even after you are able to legally tell them to go fuck themselves. The only time you will be able to truly trust them is posthumously. From this point on everything is warfare. If they have any clue of your location they will use it against you. Best not to talk to them at all. Faking your own suicide is an option but hard to pull off properly. A way to do this right is to take a boat over a large body of water, state (on a cellphone you can afford to lose) that you've tied a concrete block to yourself, and then actually jump into the water for the correct-sounding splash. Leave phone in water, get back in boat, laugh. Tossing in concrete blocks tied to shoes will give the cops something to find.
Making your way to other relatives might work but make sure you actually trust them to hide you properly.